The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 12, 2009
Filed:
Jul. 31, 2006
Ajay Kumar, Fairport, NY (US);
Hirotsugu Oba, Webster, NY (US);
Keith Allan Nau, Webster, NY (US);
David Antwone Reed, Rochester, NY (US);
Cory Joseph Winters, Rochester, NY (US);
Michael Donald Thompson, Rochester, NY (US);
Allen T. Retzlaff, Rochester, NY (US);
Jennifer Rea Wagner, Ontario, NY (US);
Paul W. Morehouse, Jr., Webster, NY (US);
Rasin Moser, Fairport, NY (US);
Song Feng MO, Webster, NY (US);
Rachael L. Mcgrath, Churchville, NY (US);
John Franklyn Knapp, Fairport, NY (US);
Ajay Kumar, Fairport, NY (US);
Hirotsugu Oba, Webster, NY (US);
Keith Allan Nau, Webster, NY (US);
David Antwone Reed, Rochester, NY (US);
Cory Joseph Winters, Rochester, NY (US);
Michael Donald Thompson, Rochester, NY (US);
Allen T. Retzlaff, Rochester, NY (US);
Jennifer Rea Wagner, Ontario, NY (US);
Paul W. Morehouse, Jr., Webster, NY (US);
Rasin Moser, Fairport, NY (US);
Song Feng Mo, Webster, NY (US);
Rachael L. McGrath, Churchville, NY (US);
John Franklyn Knapp, Fairport, NY (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
A development station that improves toner halftone dot development over a wide range of environmental conditions includes a developer housing for retaining semi-conductive carrier particles and toner particles, a first magnetic roll having a stationary core with at least one magnet and a sleeve having longitudinal grooves that rotates about the stationary core of the first magnetic roll, a second magnetic roll having a stationary core with at least one magnet and a sleeve having longitudinal grooves that rotates about the stationary core of the second magnetic roll, an environmental sensor for generating an environmental condition signal, a variable voltage supply coupled to the first magnetic roll and the second magnetic roll, and a control circuit for adjusting an output level for the variable voltage supply.